<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .container{
            height: 100vh;
        }
        .left{
            display: inline-block;
            width: 200px;
            background-color: pink;
            height: 100%;
        }
        .content{
            display: inline-block;
            width: calc(100% - 200px);
            height: 100%;
            background-color: aquamarine;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="left"></div><div class="content"></div>
    </div>
</body>
</html>